national leader vs Metternich

national leader and Metternich both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
Metternich	Yes	No	No	No

national leader (noun)	Metternich (noun)
a person who is a respected leader in national or international affairs	Austrian statesman (1773-1859)